It leaves bruises through a sweatshirt. There is a man who built a Nerf gun with that kind of power. In February 2026, a project featured on Hackaday quietly became a topic of conversation. It was an ...

A YouTuber has transformed the official LEGO WALL-E set into a fully functional remote-controlled robot, adding movement, expressive animations, sound effects, and even a miniature taser while ...

First, let's start with selecting the motors. Q1. What are some motors controllable via the Grove standard that are suitable for the limbs of a small robot, and what are suitable for wheeled toys like ...

ESP32s are surprisingly good AI lie detectors.

If you grew up playing with LOGO on an old 8-bit computer, you’re probably familiar with the concept of a drawbot. It’s a simple robot that drags a pen around to draw on paper. [Tim] decided to build ...

It’s little secret that stepper motors are everywhere in FDM 3D printers, but there’s no real reason why you cannot take another type of DC motor like a brushless DC (BLDC) motor and use that instead.

We've launched the internet for all the latest codes for Roblox Launch a Penguin, ensuring you stay ahead with our working ...

Real-time FLIP fluid simulation running on the M5Stack StickS3 (ESP32-based). Tilt the device and gravity follows the IMU. Connect it to a PC and CPU load drives the sloshing intensity. Send a float ...

💧 An IoT-based Smart Water Meter system for real-time monitoring of water quality (pH, TDS) and flow rate using ESP32 and Arduino UNO. It includes automatic motor control, cloud logging via ...

The Joule Thief Circuit is a simple and clever electronic design that can power an LED using a nearly dead battery.